package com.example.config;

import com.example.filter.JwtAuthenticationFilter;
import com.example.handle.AuthenticationEntryPointImpl;
import com.example.handle.LogoutSuccessHandlerImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.core.annotation.Order;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

import javax.annotation.Resource;

@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class SecurityConfig {

    @Configuration
    @Order(99)
    public class MySecurityConfig extends WebSecurityConfigurerAdapter {

        @Resource(name = "userDetailsServiceImpl")
        private UserDetailsService userDetailsService;

        @Autowired
        private JwtAuthenticationFilter jwtAuthenticationFilter;

        /** 认证失败处理类 */
        @Autowired private AuthenticationEntryPointImpl unauthorizedHandler;

        @Autowired private LogoutSuccessHandlerImpl logoutSuccessHandler;



        /**
         * 解决 无法直接注入 AuthenticationManager,此处注入到容器中提供controller注入使用
         *
         * @return
         * @throws Exception
         */
        @Bean
        @Primary
        public AuthenticationManager ruoyiAuthenticationManagerBean() throws Exception {
            return super.authenticationManagerBean();
        }
        /**
         * anyRequest          |   匹配所有请求路径
         * access              |   SpringEl表达式结果为true时可以访问
         * anonymous           |   匿名可以访问
         * denyAll             |   用户不能访问
         * fullyAuthenticated  |   用户完全认证可以访问（非remember-me下自动登录）
         * hasAnyAuthority     |   如果有参数，参数表示权限，则其中任何一个权限可以访问
         * hasAnyRole          |   如果有参数，参数表示角色，则其中任何一个角色可以访问
         * hasAuthority        |   如果有参数，参数表示权限，则其权限可以访问
         * hasIpAddress        |   如果有参数，参数表示IP地址，如果用户IP和参数匹配，则可以访问
         * hasRole             |   如果有参数，参数表示角色，则其角色可以访问
         * permitAll           |   用户可以任意访问
         * rememberMe          |   允许通过remember-me登录的用户访问
         * authenticated       |   用户登录后可访问
         */
        @Override
        protected void configure(HttpSecurity httpSecurity) throws Exception {
            httpSecurity
                    // CSRF禁用，因为不使用session
                    .csrf()
                    .disable()
                    // 认证失败处理类
                    .exceptionHandling()
                    .authenticationEntryPoint(unauthorizedHandler)
                    .and()
                    // 基于token，所以不需要session
                    .sessionManagement()
                    .sessionCreationPolicy(SessionCreationPolicy.STATELESS);
            // 配置登录和登出的url和逻辑
//        http.formLogin().loginProcessingUrl("/login").successHandler(new LoginSuccessHandler()).failureHandler(new LoginFailureHandler());
        httpSecurity.logout().logoutUrl("/springSecurity/logout").logoutSuccessHandler(logoutSuccessHandler);
            // 配置需要认证和授权的url和角色
            httpSecurity.authorizeRequests()
                    .antMatchers("/springSecurity/login").anonymous()
                /*    .antMatchers("/admin/**").hasRole("ADMIN")
                    .antMatchers("/user/**").hasRole("USER")*/
//                  .antMatchers("/springSecurity/admin/hello")
                    //.antMatchers("/springSecurity/admin/hello").
                    .anyRequest().authenticated();
            // 添加自定义的Jwt过滤器
            httpSecurity.addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
        }

        @Bean
        public BCryptPasswordEncoder passwordEncoder() {
            return new BCryptPasswordEncoder();
        }
    }
}
